Coffee brewer



FIG. 1 is a front elevational view of a coffee brewer, showing our new design, the rear is plain and unornamented;

FIG. 2 is a top plan view thereof, the bottom is plain and unornamented;

FIG. 3 is a right side elevational view thereof; and,

FIG. 4 is a left side elevational view thereof. 

The ornamental design for a coffee brewer, as shown and described. 